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Créer une couche de route

TerryGustafson

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Je vais essayer d'expliquer ce que j'ai et ce que j'essaie d'accomplir. Cela semble simple mais j'ai du mal. J'ai une couche Mesured qui contient des segments pour chaque mile le long d'une route. Dans la table, j'ai le Route_Id qui ressemble à ceci. C000001E_12 par exemple. Le C signifie Corridor. Le 000001 est le nom de la route. Le E est l'identifiant du tablier de la route et le 12 serait le point kilométrique. Donc pour C000001E, il y a plusieurs points kilométriques ou C000001E_0, C000001E_1, C000001E_2, et ainsi de suite jusqu'à la fin de la route. Chacun de ces segments a un champ longueur qui indique la longueur de ce mile. Certains miles sont longs et d'autres courts. Je souhaite créer un segment de route basé sur les points kilométriques. Je pensais pouvoir créer une couche de lignes qui contient le C000001E spécifique avec des enregistrements individuels des points kilométriques et leurs longueurs. Quelqu'un a-t-il déjà fait quelque chose de similaire ou pouvez-vous m'aider à m'orienter ?<\/P>

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Merci d'avance<\/P>

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Terry<\/P><\/BODY><\/HTML>

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TedKowal

I am only guessing on what your after but maybe this will help:

I do this periodically on our measured routes which are created from multiple segment centerlines (multiple segments that have varied lengths). Under the Selection tab, Select by Attributes. For the where clause I use something this (insert your own field names) left([Route],10) = '836042520W'. This will select all the segments that have a Route name with that portion of the route name your case something like left([Route_ID],8)= 'C000001E'). From the selection I then create a single route with that ID. You would not add the individual mile post records but use them as an event table against the single route you just created since the from to measures are already known or can be calculated from your naming scheme.

One import thing to mention is that your segment that will be composing your route all run in the same direction (beg and ends) increasing in the same direction, if not you will have to "flip" those segments not drawn in the proper directions.

Hopefully this does not cause more confusion.

SharonZastre

Would the Dissolve tool accomplish what you are trying to do? Assuming there is a field in the table identifying the Corridor and Roadbed (C000001E), then you should be able to dissolve all features based on this field. So all features that have the same Corridor and Roadbed, would be merged into one feature.

TerryGustafson

This makes sense to me but not sure where the selection tab is.. Which linear referencing tool do I use? This does sound just like what I want to perform. My goal is to create the process and then create a model and then create a geoprocessing service.

TedKowal

There are lots of ways to create and edit a Linear Reference. I would suggest you look through the esri help and tutorial to get a feel for it. However I can show you one way (may not be the best way for you) but it basically creates a LRS with all your corridor segments.

TedKowal

Yes you can dissolve the segments to one line and then create a route -- lots of ways to the solution.

TerryGustafson

Ted,

Have you done anything with Web App builder?

TerryGustafson

I was thinking dissolve might work to create one measure per corridor. Then the measure could be broken up into each mile and its respective length. So when I create a GP service I can locate create a route segment based on the newly created corridor measure.

TedKowal

I have not done anything with the ESRI Web components. I use my own home grown set up here since the company does not yet want to purchase the software.

You can dissolve and but the process of creating a linear reference already dissolves the individual segments into one... In the pictured example I sent each corridor is composed of many segments and the creation a route dissolves that into one single line composed of measures?

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